Motorcycle helmet



FIG. 1 is a top, front and left side perspective view of a motorcycle helmet showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view thereof with the chin piece in an open position and the visor raised;

FIG. 9 is a front elevational view thereof;

FIG. 10 is a left side elevational view thereof;

FIG. 11 is a right side elevational view thereof;

FIG. 12 is a rear elevational view thereof;

FIG. 13 is a top plan view thereof;

FIG. 14 is a bottom perspective view thereof;

FIG. 15 is a perspective view thereof with the chin piece in an open position and the visor lowered; and,

FIG. 16 is a perspective view thereof with the chin piece in a closed position and the visor raised. 

The ornamental design for a motorcycle helmet, as shown and described. 